[bugfix] Fix NopDecoder

* Fixes #41

1 files changed, 4 insertions, 4 deletions

diff --git a/securecookie.go b/securecookie.go
index 83dd606..cd4e097 100644
--- a/securecookie.go
+++ b/securecookie.go
@@ -102,6 +102,7 @@ var (
 	errTimestampExpired     = cookieError{typ: decodeError, msg: "expired timestamp"}
 	errDecryptionFailed     = cookieError{typ: decodeError, msg: "the value could not be decrypted"}
 	errValueNotByte         = cookieError{typ: decodeError, msg: "value not a []byte."}
+	errValueNotBytePtr      = cookieError{typ: decodeError, msg: "value not a pointer to []byte."}
 
 	// ErrMacInvalid indicates that cookie decoding failed because the HMAC
 	// could not be extracted and verified.  Direct use of this error
@@ -474,12 +475,11 @@ func (e NopEncoder) Serialize(src interface{}) ([]byte, error) {
 
 // Deserialize passes a []byte through as-is.
 func (e NopEncoder) Deserialize(src []byte, dst interface{}) error {
-	if _, ok := dst.([]byte); ok {
-		dst = src
+	if dat, ok := dst.(*[]byte); ok {
+		*dat = src
 		return nil
 	}
-
-	return errValueNotByte
+	return errValueNotBytePtr
 }
 
 // Encoding -------------------------------------------------------------------